Royal Caribbean’s Harmony of the Seas is set to get “Royal Amplified” this spring. will see 29 new inside cabins replace the ship’s current conference center. will gain 29 new guest accommodations, including a mix of inside and balcony cabins, taking over the area previously used by the Wonderland specialty restaurant. These additions will comprise a variety of inside staterooms, larger ocean-view rooms, suites, and balcony cabins. These additions will comprise a variety of inside staterooms, larger ocean-view rooms, suites, and balcony cabins.